IMR Press / EJGO / Volume 36 / Issue 2 / DOI: 10.12892/ejgo2572.2015

European Journal of Gynaecological Oncology (EJGO) is published by IMR Press from Volume 40 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.

Open Access Case Report
Coexistence of mature cystic teratoma and adenocarcinoma in situ within atypical proliferative mucinous tumour of ovary – a case report of 35-year-old woman
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1 Departments of Anatomy and Pathology, Faculty of Health Sciences, Jan Kochanowski Memorial University of Kielce, Kielce
2 NZOZ Zaklad Patologii, Department of Pathology, Kielce
3 Department of Gynaecology, Faculty of Health Sciences, Jan Kochanowski Memorial University of Kielce, Kielce
4 Department of General Pathomorphology, Medical University of Bialystok, Bialystok
5 Department of Pathology, Bialystok Oncology Centre, Bialystok (Poland)
Eur. J. Gynaecol. Oncol. 2015, 36(2), 203–205; https://doi.org/10.12892/ejgo2572.2015
Published: 10 April 2015
Abstract

Combined ovarian tumors are found in common pathologic practice due to amazing potential of ovarian tissue to copy almost every tissue of human body and imitate many neoplasms of various other organs in a very flexible way. A multicystic tumor is presented in this case report of 35-year-old woman. It consisted of a cyst with sebum and hair and cavities with papillomatous projections and mucus. The ovarian tumor was diagnosed a mature cystic teratoma presenting mainly as dermoid cyst and mucinous adenocarcinoma in situ, arising within atypical proliferative mucinous tumor. This report demonstrates how histoformative properties are reflected in ovarian tumorigenesis. Such a stunning histoformativity makes ovaries the possible site of primary origin for malignant tumors that mimic extra ovarian differentiation. In the authors’ point of view, the diagnosis of primary ovarian mucinous tumor within cystic teratoma is firm, whenever simultaneous extraovarian involvement by mucinous neoplasm is excluded.
Keywords
Adenocarcinoma in situ
Atypical proliferative mucinous tumor
Dermoid cyst
Mature cystic teratoma
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